问题
单项选择题
卵细胞从卵巢排出后，理想受精时间是
A．＜10小时
B．10～14小时
C．15～18小时
D．19～24小时
E．＞24小时
答案
参考答案：C
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卵细胞从卵巢排出后，理想受精时间是
A．＜10小时
B．10～14小时
C．15～18小时
D．19～24小时
E．＞24小时
参考答案：C
| 句型转换,把画线部分转换成同义或近义的词组。 |
| 1. The baskets were full of apples. The baskets______ ______ ______apples. 2. Because it rained, some students were late this morning. Some students were late this morning________ ________the rain. 3. Their parents went to New York by air. Their parents________ ________New York. 4. Don't talk about anything else. Let's get back to the main problem. Don't talk about anything else. Let's_________ ________ the main problem. 5. There are plenty of fun things to do. There are________ ________fun things to do |